I like the design of this one I think this one would sell because it has some value added and extra cost of wood and magnet and battery clip is minimal and the craft of designing the wood and perhaps added LED(s) would allow us to increase our cost and make a more attractive product to buy. We could also include an explanation and history of the motor.
Here are links to different designs
Here are links to different designs
We could make several different models and price them differently.